Senior ML Engineer

Trunk Tools, Inc.

Senior ML Engineer at Trunk Tools evolving AI platform for construction industry. Driving multi-agent systems and document processing pipelines in a fast-growing startup environment.

Posted 4/24/2026full-timeNew York City • New York • 🇺🇸 United StatesSenior💰 $183,000 - $246,000 per yearWebsite

Tech Stack

Tools & technologies

Distributed SystemsGoKubernetesPython

About the role

Key responsibilities & impact

Own and evolve core parts of our AI platform, spanning search, retrieval, and multi-agent orchestration.
Lead the design and build-out of a multi-agent system, including defining new agent “pillars” and how they collaborate in production.
Architect and scale document processing pipelines (Kubernetes-based), including ingestion, parsing, chunking, indexing, and structured data extraction across heterogeneous document types.
Design and iterate on search and retrieval systems (ranking, query understanding, QA) grounded in real user behavior and product needs.
Help build and expand our knowledge graph, modeling entities and relationships to power downstream reasoning and retrieval.
Drive ambiguous, high-impact projects end-to-end, from problem definition through experimentation and productionization.
Establish and improve evaluation and experimentation frameworks to measure system quality and guide iteration.
Write clean, maintainable, production-grade code and raise the bar for engineering quality across the team.

Requirements

What you’ll need

7+ years of experience building and shipping production ML/AI systems.
Proven track record of leading complex, ambiguous projects and driving them to impact.
Strong experience with agentic systems, LLM-based applications, or orchestration frameworks.
Deep experience in document processing pipelines, ideally in distributed systems (Kubernetes or similar).
Experience building or working with knowledge graphs / provenance graphs and modeling relationships between entities.
Background in one or more of: search/ranking systems, NLP, recommendation systems, or large-scale data/ML infrastructure.
Strong coding skills (Python, Go, or similar) with an emphasis on production systems.
Highly analytical, product-minded, and comfortable using data to drive decisions.
Bonus: experience in construction or other document-heavy industries.

Benefits

Comp & perks

A close-knit and collaborative early-stage startup environment where every voice is heard and every opinion matters
Competitive salary and stock option equity packages
4 Medical Plans to choose from including 100% covered option. Plus Dental and Vision Insurance!
Learning & Growth stipend
Flexible long-term work options (remote and hybrid)
Free lunch provided in the office in NYC & Austin - you’ll never go hungry with us!
Unlimited PTO; We truly believe in work-life balance and that hard work should be balanced with time for rest and rejuvenation
IRL / In-Person retreats throughout the year

ATS Keywords

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Hard Skills & Tools

machine learningartificial intelligencedocument processingKubernetesPythonGosearch systemsranking systemsnatural language processingknowledge graphs

Soft Skills

leadershipanalytical skillsproduct-mindedproblem definitionexperimentationcollaborationiterationcommunicationproject managementdecision making